The most over used names i can think of.

[st8terblock]

Look for your self if you don't believe me so search for your self

[Ad Bot]

[Tetris]

anything with "skater" in it

oh hey look

[st8terblock]

anything with "skater" in it

oh hey look

Oh god lol

[bejacks]

Any name that has "master chief" or "halofan" is really overused.

[Daswiruch]

Any name that has "master chief" or "halofan" is really overused.

beat me to it

[xSetrox]

Agreed. Tons.
We need some sort of name generator. Also, here's some other words I think are overused:
-Awesome
-Cool
-Epic
-Bro
-(Anything that is a sentence and not a name such as: I am awesome)
if someone uses the name awesomecoolepicbro i am going to slap you

[Shadowed999]

Dont forgot sonic or "cool" anything

Dont forgot Military ranks

[Headcrab Zombie]

Agreed. Tons.
We need some sort of name generator. Also, here's some other words I think are overused:
-Awesome
-Cool
-Epic
-Bro
-(Anything that is a sentence and not a name such as: I am awesome)
if someone uses the name awesomecoolepicbro i am going to slap you

Don't forget names with x's on both ends.

[xSetrox]

Don't forget names with x's on both ends.

Only reason I did that was because someone already used setro3 and if I used setro4 people would constantly pick at me thinking setro3 was banned instantly

[Epicduke]

Awesome
Cool
Sonic
Mario
Dude
Bro
Halo
Master Chief
Cod
xXblahblahXx
360
Epic

[Linkusofepica]

but my steam name is guy http://steamcommunity.com/profiles/76561198041103322/

[BlockyMagician]

Blockheadxxxxx

[Cool Boi]

Epic

[kakashi11]

A name with numbers at the end.

[Man 2]

...I'M SO ASHAMED ;-;